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Re: 64 bit Cygwin target and _WIN64


On Wed, Jul 18, 2012 at 05:09:51PM +0200, Corinna Vinschen wrote:
>On Jul 18 11:00, Christopher Faylor wrote:
>> On Wed, Jul 18, 2012 at 04:42:02PM +0200, Corinna Vinschen wrote:
>> I really don't see why the Mingw64 project should have to accommodate
>> Cygwin.  Maybe if we put a #define _WIN64 in a Cygwin header, I'd feel
>> slightly better about this but I don't see why another project should
>> have to change to accommodate us.  Should they also have defines for
>> Wine and ReactOS?  That doesn't seem like the right way to go.
>
>They are happy to accomodate us.  Some of the problems we have are
>shared with the wine project, so the advantages are partially mutual.
>Mingw64 has already a header called _cygwin.h which is indirectly
>included if a Cygwin project includes any Windows header.  It's no
>problem to add
>
>  #ifdef __CYGWIN64__
>  #define _WIN64
>  #endif
>
>to this file.

Oh boy.  Another project like newlib where we have to get permission
to make Cygwin-specific changes.

cgf


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